PM73121ꢀAAL1gator II
Data Sheet
PMC-Sierra, Inc.
PMC-980620
,VVXHꢀꢁ
AAL1 SAR Processor
8.10.2 Nominal E1 Clock
15
The nominal E1 clock jitter was measured using a 2 -1 PRBS pattern in unstructured mode. The
total maximum jitter without the jitter attenuator was 0.11 UI. With a jitter attenuator the
maximum jitter was 0.065 UI. See Figure 98 and Figure 99 for the jitter spectrum versus the
G.823 mask.
10
1
G.823 Mask
0.1
Jitter
0.01
0.001
1
10
100
1000
10000
100000
Frequency(Hz)
Figure 98. Nominal E1 Clock with no Jitter Attenuator
10
1
G.823 Mask
Jitter
0.1
0.01
0.001
1
10
100
1000
10000
100000
Frequency(Hz)
Figure 99. Nominal E1 Clock with Jitter Attenuator
ꢀꢇꢆ
PMC [ PMC-SIERRA, INC ]
